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Add 48/12 and 21/90

1st number: 4 0/12, 2nd number: 21/90

48/12 + 21/90 is 127/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 90 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 12 × 15 = 180,
    48/12 = 48 × 15/12 × 15 = 720/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    21/90 = 21 × 2/90 × 2 = 42/180
  4. Add the two like fractions:
    720/180 + 42/180 = 720 + 42/180 = 762/180
  5. 762/180 simplified gives 127/30
  6. So, 48/12 + 21/90 = 127/30
    In mixed form: 47/30

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